Installing Java 8 on Ubuntu
$ sudo add-apt-repository ppa:webupd8team/java
$ sudo apt-get update
$ sudo apt-get install oracle-java8-installer
Verify Installed Java Version
sam@tecadmin:~$ java -version
java version "1.8.0_66"
Java(TM) SE Runtime Environment (build 1.8.0_66-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.66-b17, mixed mode)
Configuring Java Environment
In Webupd8 ppa repository also providing a package to set environment variables, install this package using following
command.
$ sudo apt-get install oracle-java8-set-default